<html xmlns:th="http://www.thymeleaf.org">
<head>
    <title></title>
</head>
<body>
    产品类别名称:<span th:text="${productType.producttypename}"></span><br/>
    产品类别描述:<span th:text="${productType.producttypedescription}"></span><br/>
    等级:<span th:text="${productType.typegrade}"></span><br/>
</body>
</html>